JPH04505372A - 波形の分析 - Google Patents
波形の分析Info
- Publication number
- JPH04505372A JPH04505372A JP2507984A JP50798490A JPH04505372A JP H04505372 A JPH04505372 A JP H04505372A JP 2507984 A JP2507984 A JP 2507984A JP 50798490 A JP50798490 A JP 50798490A JP H04505372 A JPH04505372 A JP H04505372A
- Authority
- JP
- Japan
- Prior art keywords
- channel
- threshold
- output
- amplitude
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004458 analytical method Methods 0.000 title claims description 17
- 230000003044 adaptive effect Effects 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 22
- 238000000354 decomposition reaction Methods 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000006870 function Effects 0.000 claims description 7
- 230000002238 attenuated effect Effects 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000004044 response Effects 0.000 description 25
- 239000002131 composite material Substances 0.000 description 13
- 238000007906 compression Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- 230000002123 temporal effect Effects 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 208000030507 AIDS Diseases 0.000 description 1
- 206010011878 Deafness Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 210000001260 vocal cord Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/356—Amplitude, e.g. amplitude shift or compression
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Holo Graphy (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8911376A GB2234078B (en) | 1989-05-18 | 1989-05-18 | Analysis of waveforms |
| GB8911376.5 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04505372A true JPH04505372A (ja) | 1992-09-17 |
Family
ID=10656928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2507984A Pending JPH04505372A (ja) | 1989-05-18 | 1990-05-17 | 波形の分析 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5483617A (de) |
| EP (1) | EP0473664B1 (de) |
| JP (1) | JPH04505372A (de) |
| AT (1) | ATE124834T1 (de) |
| DE (1) | DE69020736T2 (de) |
| GB (1) | GB2234078B (de) |
| WO (1) | WO1990014739A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006251712A (ja) * | 2005-03-14 | 2006-09-21 | Univ Of Tokyo | 観測データ、特に、複数の音源からの音が混在している音響信号の解析方法 |
| JP2010200350A (ja) * | 2001-08-07 | 2010-09-09 | Emma Mixed Signal Cv | 音響心理学的モデル及びオーバーサンプル型フィルタバンクを用いる音声明瞭度の向上 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2036450B1 (es) * | 1991-06-11 | 1996-01-16 | Jaro Juan Dominguez | Audio-educador electronico. |
| US5776055A (en) * | 1996-07-01 | 1998-07-07 | Hayre; Harb S. | Noninvasive measurement of physiological chemical impairment |
| US6421619B1 (en) | 1998-10-02 | 2002-07-16 | International Business Machines Corporation | Data processing system and method included within an oscilloscope for independently testing an input signal |
| US6675140B1 (en) | 1999-01-28 | 2004-01-06 | Seiko Epson Corporation | Mellin-transform information extractor for vibration sources |
| DE10031832C2 (de) * | 2000-06-30 | 2003-04-30 | Cochlear Ltd | Hörgerät zur Rehabilitation einer Hörstörung |
| US20030007657A1 (en) * | 2001-07-09 | 2003-01-09 | Topholm & Westermann Aps | Hearing aid with sudden sound alert |
| US7127076B2 (en) * | 2003-03-03 | 2006-10-24 | Phonak Ag | Method for manufacturing acoustical devices and for reducing especially wind disturbances |
| EP2254349A3 (de) * | 2003-03-03 | 2014-08-13 | Phonak AG | Verfahren zur Herstellung von akustischen Geräten und zur Verringerung von Windstörungen |
| US7643583B1 (en) | 2004-08-06 | 2010-01-05 | Marvell International Ltd. | High-precision signal detection for high-speed receiver |
| EP1703494A1 (de) * | 2005-03-17 | 2006-09-20 | Emma Mixed Signal C.V. | Hörer |
| GB2434876B (en) * | 2006-02-01 | 2010-10-27 | Thales Holdings Uk Plc | Audio signal discriminator |
| US9313596B2 (en) * | 2011-08-19 | 2016-04-12 | D'amore Engineering Llc | Audio signal distortion detection device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770892A (en) * | 1972-05-26 | 1973-11-06 | Ibm | Connected word recognition system |
| US3947636A (en) * | 1974-08-12 | 1976-03-30 | Edgar Albert D | Transient noise filter employing crosscorrelation to detect noise and autocorrelation to replace the noisey segment |
| US4250471A (en) * | 1978-05-01 | 1981-02-10 | Duncan Michael G | Circuit detector and compression-expansion networks utilizing same |
| FR2433800A1 (fr) * | 1978-08-17 | 1980-03-14 | Thomson Csf | Discriminateur de parole et recepteur comportant un tel discriminateur |
| US4680798A (en) * | 1984-07-23 | 1987-07-14 | Analogic Corporation | Audio signal processing circuit for use in a hearing aid and method for operating same |
| US4700360A (en) * | 1984-12-19 | 1987-10-13 | Extrema Systems International Corporation | Extrema coding digitizing signal processing method and apparatus |
| US4802225A (en) * | 1985-01-02 | 1989-01-31 | Medical Research Council | Analysis of non-sinusoidal waveforms |
| US4998280A (en) * | 1986-12-12 | 1991-03-05 | Hitachi, Ltd. | Speech recognition apparatus capable of discriminating between similar acoustic features of speech |
| US4813417A (en) * | 1987-03-13 | 1989-03-21 | Minnesota Mining And Manufacturing Company | Signal processor for and an auditory prosthesis utilizing channel dominance |
| US5092343A (en) * | 1988-02-17 | 1992-03-03 | Wayne State University | Waveform analysis apparatus and method using neural network techniques |
-
1989
- 1989-05-18 GB GB8911376A patent/GB2234078B/en not_active Expired - Fee Related
-
1990
- 1990-05-17 JP JP2507984A patent/JPH04505372A/ja active Pending
- 1990-05-17 DE DE69020736T patent/DE69020736T2/de not_active Expired - Fee Related
- 1990-05-17 WO PCT/GB1990/000766 patent/WO1990014739A1/en active IP Right Grant
- 1990-05-17 AT AT90908284T patent/ATE124834T1/de not_active IP Right Cessation
- 1990-05-17 EP EP90908284A patent/EP0473664B1/de not_active Expired - Lifetime
-
1994
- 1994-08-19 US US08/293,119 patent/US5483617A/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010200350A (ja) * | 2001-08-07 | 2010-09-09 | Emma Mixed Signal Cv | 音響心理学的モデル及びオーバーサンプル型フィルタバンクを用いる音声明瞭度の向上 |
| JP2006251712A (ja) * | 2005-03-14 | 2006-09-21 | Univ Of Tokyo | 観測データ、特に、複数の音源からの音が混在している音響信号の解析方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2234078B (en) | 1993-06-30 |
| EP0473664B1 (de) | 1995-07-05 |
| ATE124834T1 (de) | 1995-07-15 |
| DE69020736T2 (de) | 1996-03-21 |
| GB8911376D0 (en) | 1989-07-05 |
| GB2234078A (en) | 1991-01-23 |
| US5483617A (en) | 1996-01-09 |
| WO1990014739A1 (en) | 1990-11-29 |
| EP0473664A1 (de) | 1992-03-11 |
| DE69020736D1 (de) | 1995-08-10 |
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